Whatever the input voltage is the Channel A is at the top , even with no input or the same input as B.

Last sofware 5.16.2.

Same problem in english

It is a Picoscope3204
Whatever I m doing Channel is at the top of the screen and after an autoset the voltage range goes to 20V but the red icon is always there.

Hello from FRANCE,

I've just installed the last software and I have a problem with channel A, B works fine.

There is a little red icon on channel A but I don't find anything about it: